The Apache POI project is pleased to announce the release of POI 4.0.0.
Featured are a handful of new areas of functionality, and numerous bug fixes.
See the downloads page for binary and source distributions: https://poi.apache.org/download.html
Release Notes
Changes
------------
The most notable changes in this release are:
- Removed support for Java 6 and 7 making Java 8 the minimum version supported
- Unsplit packages for Jigsaw / Java 9 compatibility
- OutputStreams aren't closed by write(OutputStream) methods anymore
- Depends on new XMLBeans 3.0.1 release
- New ooxml-schema version 1.4 - use via poi-ooxml-schema (preferred) or ooxml-schema artifact
- OPOIFS* classes removed / NPOIFS* classes renamed to POIFS*
- new XDDF classes for shared diagram/chart functionality of X**F modules
A full list of changes is available in the change log: https://poi.apache.org/changes.html.
People interested should also follow the dev mailing list to track further progress.
Release Contents
----------------
This release comes in two forms:
- pre-built binaries containing compiled versions of all Apache POI components and documentation
(poi-bin-4.0.0-20180907.zip or poi-bin-4.0.0-20180907.tar.gz)
- source archive you can build POI from (poi-src-4.0.0-20180907.zip or poi-src-4.0.0-20180907.tar.gz)
Unpack the archive and use the following command to build all POI components with Apache Ant 1.8+ and JDK 1.8 or higher:
ant jar
Pre-built versions of all POI components are also available in the central Maven repository
under Group ID "org.apache.poi" and Version "4.0.0"
All release artifacts are accompanied by MD5 checksums and PGP signatures
that you can use to verify the authenticity of your download.
The public key used for the PGP signature can be found at
https://svn.apache.org/repos/asf/poi/tags/REL_4_0_0_FINAL/KEYS
About Apache POI
-----------------------
Apache POI is well-known in the Java field as a library for reading and
writing Microsoft Office file formats, such as Excel, PowerPoint, Word,
Visio, Publisher and Outlook. It supports both the older (OLE2) and
new (OOXML - Office Open XML) formats.
See https://poi.apache.org/ for more details